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Finding the Fourth Proportional to 162,896.87, 224,806.59 and 91,299.96

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Solution

The fourth proportional to 162,896.87, 224,806.59 and 91,299.96 is: 125,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,896.87 : 224,806.59 = 91,299.96 : x
  2. Step 2: Convert to fraction form
    162,896.87/224,806.59 = 91,299.96/x
  3. Step 3: Cross multiply
    162,896.87x = 224,806.59 × 91,299.96
  4. Step 4: Simplify right side
    162,896.87x = 20,524,832,674.74
  5. Step 5: Solve for x
    x = 20,524,832,674.74/162,896.87
  6. Step 6: Final answer
    x = 125,998.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.